Battery charger Varta 4-channel NL4615 for Li-ion batteries with 4 × AA 2200 mAh rechargeable cells

Varta 4-channel NL4615 is a charger engineered for Li-ion rechargeable AA batteries and is supplied with four 2200 mAh AA-size Li-ion cells. The unit charges up to four cells independently, with each channel monitoring the charge status to ensure appropriate charging. Compact and lightweight, the charger is intended for routine recharging of AA Li-ion cells used in consumer devices such as cameras, flashlights, toys and other household electronics that accept AA-size rechargeable cells.

Advantages

The charger supports four independent channels, allowing simultaneous charging of different numbers of cells without affecting other channels. Included 2200 mAh Li-ion AA cells provide extended runtime compared with typical disposable AA batteries while remaining rechargeable. Channel-level monitoring helps maintain safe and accurate charging cycles for each battery, and the compact form factor makes the unit suitable for storage and transport. The design is compatible with devices that specifically accept AA-size Li-ion rechargeable cells.

Suitable for

• Digital cameras and flashes that use AA-size rechargeable cells
• Portable flashlights and headlamps
• Battery-powered toys and hobby electronics
• Household electronics such as remote controls and clocks that accept AA Li-ion cells

Key specifications

• Cell chemistry supported: Li-ion (AA size)
• Number of charging channels: 4 (independent)
• Included cells: 4 × AA 2200 mAh Li-ion rechargeable cells
• Charge monitoring: per-channel status monitoring
• Physical format: compact, portable desktop charger

How to use

Insert AA Li-ion cells into the charger according to the polarity markings displayed in each channel. The device allows charging one to four cells at a time; each channel operates independently so mixed-charge sessions are possible. Connect the charger to the appropriate power source as provided with the unit and observe the channel indicators to monitor charging progress. Remove cells once the corresponding channel indicates a completed charge and allow cells to cool briefly before installing them in equipment.

Usage recommendations

Use only AA-size Li-ion rechargeable cells as supplied or specified for this charger. Avoid attempting to charge non-rechargeable batteries or cells of different chemistries or sizes. Store the charger and batteries in a dry, well-ventilated area and follow the device indicators to prevent overcharging. For best long-term battery performance, fully charge cells before first use and avoid storing cells fully discharged for extended periods.